Enable quarantining of Homebrew-Cask's downloads

Library/Homebrew/cask/lib/hbc/artifact/moved.rb

Library/Homebrew/cask/lib/hbc/auditor.rb

Library/Homebrew/cask/lib/hbc/cli/abstract_command.rb

Library/Homebrew/cask/lib/hbc/cli/audit.rb

Library/Homebrew/cask/lib/hbc/cli/fetch.rb

Library/Homebrew/cask/lib/hbc/cli/install.rb

Library/Homebrew/cask/lib/hbc/cli/reinstall.rb

Library/Homebrew/cask/lib/hbc/cli/upgrade.rb

Library/Homebrew/cask/lib/hbc/download.rb

Library/Homebrew/cask/lib/hbc/exceptions.rb

Library/Homebrew/cask/lib/hbc/installer.rb

Library/Homebrew/cask/lib/hbc/quarantine.rb

Library/Homebrew/cask/lib/hbc/utils/quarantine.swift

Library/Homebrew/manpages/brew-cask.1.md

Library/Homebrew/test/cask/cli/audit_spec.rb

Library/Homebrew/test/cask/cli/info_spec.rb

Library/Homebrew/test/cask/cli/quarantine_spec.rb

...ew/test/support/fixtures/cask/Casks/local-transmission.rb

Library/Homebrew/unpack_strategy/dmg.rb

manpages/brew-cask.1